more space/tabs fixes in setup.py
more space/tabs fixes in setup.py

rjpower/py-leveldb,baverman/py-leveldb,baverman/py-leveldb,rjpower/py-leveldb,baverman/py-leveldb,baverman/py-leveldb,rjpower/py-leveldb,rjpower/py-leveldb,baverman/py-leveldb,baverman/py-leveldb